Thermal and Electrical Energy

Identify the two factors that impact gravitational force...

• Mass and distance

• Distance and size

• Mass and density

• Density and Distance

Tags

NGSS.MS-PS2-4

Which is the result of gravity?

• Rocket engines can force objects into space.

• Air friction causes falling objects to slow down

• Released objects always fall towards Earth's surface.

• Airplanes are able to fly without fallling.

Tags

NGSS.MS-PS2-4

What items are used to make an Electromagnet?

• Wood, string, and a battery

• Wire, battery, and an alligator clip

• Battery, wire, clothespin

• Iron nail, battery, and wire

What materials are magnetic?

• Some metals are magnetic.

• All metals are magnetic

• All non metals are magnetic

• Some non metals are magnetic

Tags

NGSS.MS-PS2-3

The lines that Ms. Phillips made me draw around the magnets are called the...

• Magnetic Field

• Magnetic Impulse

• vibration

• gravitational field

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What should I do if I want to increase the strength of an Electromagnet?

• Decrease the voltage

• Loosen the wires

• Decrease the size of the iron core

• Add more loops around the iron core

Objects can become electrically charged by......

• Induction

• Friction

• Conduction

• All of the above

What is a substance that allows electrical energy to flow easily?

• Dry Cell

• Conductor

• Wet Cell

• Insulator

If you drop a permanent magnet and it does not break, what could happen?

• The magnet will reverse poles.

• The magnet could weaken

• The magnet will not work anymore.

• The magnet will strengthen,

Why do power companies use metal wire?

• It is cheaper than wood.

• Metal is stronger.

• Metal is a conductor.

• Metal is an insulator.